CN106500826A - Cross beam type jogging sensor and physiological signal collection pad - Google Patents
Cross beam type jogging sensor and physiological signal collection pad Download PDFInfo
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- CN106500826A CN106500826A CN201611065637.4A CN201611065637A CN106500826A CN 106500826 A CN106500826 A CN 106500826A CN 201611065637 A CN201611065637 A CN 201611065637A CN 106500826 A CN106500826 A CN 106500826A
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- 238000000034 method Methods 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 25
- 238000005259 measurement Methods 0.000 abstract description 16
- 239000012528 membrane Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 4
- 230000003321 amplification Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 2
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- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
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Abstract
Present invention is disclosed a kind of cross beam type jogging sensor and physiological signal collection pad, wherein cross beam type jogging sensor include stretch sensor, oar crossbeam, top board and flexible support pad；Stretch sensor is laid in the oar crossbeam, and when oar crossbeam is deformed upon, oar crossbeam is pullled the stretch sensor and deforms upon and produce electric signal；The side of the oar crossbeam is set on top board, and the side of the oar crossbeam is provided with the fulcrum of at least one protrusion, when top board stress presses to the oar crossbeam, fulcrum extrudes the oar crossbeam and deforms upon；Flexible support pad is arranged at side of the oar crossbeam away from the top board, and attaches the support oar crossbeam.The cross beam type jogging sensor of the present invention, when pressure hour, the fulcrum Equivalent strut distance formed by flexible support pad, sensitivity are higher, and when pressure is big, the fulcrum Equivalent strut distance formed by flexible support pad shortens, and sensitivity declines, and measurement range broadens.
Description
Technical field
The present invention relates to micro-tremor signal collection field, especially relates to a kind of cross beam type jogging sensor and physiology letter
Number collection pad.
Background technology
A kind of sensor that can gather micro-tremor signal of the beam type jogging sensor of prior art, its structure include oar
Property crossbeam, piezoelectric membrane and support, one end of oar crossbeam is fixed on support, and the other end is hanging, also sets up one on support
Point, the fulcrum contact oar crossbeam, piezoelectric membrane are close to side of the oar crossbeam towards fulcrum.When fulcrum stress, can press
Urgent oar crossbeam, oar crossbeam can be to the contrary direction bendings of fulcrum, and so as to pull piezoelectric membrane, piezoelectric membrane produces telecommunications
Number.Comparatively, during the oar crossbeam bend of beam type jogging sensor, root of its main bending place close to oar crossbeam
Portion, the i.e. fixing end of oar crossbeam, so piezoelectric membrane tensile deformation is uneven, so there is the situation of distorted signals；And
Measurement sensitivity and measurement range are substantially stationary.
Content of the invention
The main object of the present invention is that a kind of measurement sensitivity of offer and measurement range are servo-actuated with the change of pressure
Cross beam type micro-tremor signal sensor and physiological signal collection pad.
In order to realize foregoing invention purpose, present invention firstly provides a kind of cross beam type jogging sensor, it is characterised in that bag
Include stretch sensor, oar crossbeam, top board and flexible support pad；
The stretch sensor is parallel to be laid in the oar crossbeam, and when oar crossbeam is deformed upon, oar crossbeam draws
Pull the stretch sensor to deform upon and produce pressure-dependent signal；
The side of the oar crossbeam is set on the top board, and is provided with least towards the side of the oar crossbeam
One prominent fulcrum, when top board stress presses to the oar crossbeam, the fulcrum extrudes the oar crossbeam and shape occurs
Become；
The flexible support pad is arranged at side of the oar crossbeam away from the top board, and attaches the support oar
Property crossbeam.
Further, the cross beam type jogging sensor also includes lower platen, and the lower platen is arranged at described flexible
Side of the stake pad away from the top board, and support the flexible support pad to fix.
Further, the first edge of the top board protrudes from the side wall of the flexible support pad, the lower platen
Second edge protrudes from the side wall of the flexible support pad；
Flexible supporter is set between first edge and the second edge；The flexible supporter is evenly around described soft
Property supporting pad arrange.
Further, the cross beam type jogging sensor also includes that lower platen also includes signal processing circuit, at the signal
Reason circuit receives and processes the electric signal that the stretch sensor is produced.
Further, the signal processing circuit includes radio frequency transmitter circuitry, the radio frequency transmitter circuitry and external equipment without
Line is communicated to connect.
Further, the cross beam type jogging sensor also includes lower platen, also includes pcb board, integrated institute on the pcb board
State signal processing circuit.
Further, the pcb board is fixedly installed on the lower platen.
Further, the stretch sensor includes piezoelectric film sensor, the electric capacity being printed on oar crossbeam or print
Inductance of the brush on oar crossbeam.
The present invention a kind of physiological signal collection pad is also provided, including pad and be arranged in pad such as above-mentioned any one institute
The cross beam type jogging sensor that states.
The cross beam type jogging sensor and physiological signal collection pad of the present invention, makes full use of the property of flexible support pad, when
Fulcrum is oppressed after oar crossbeam, and oar crossbeam can be along stress point to the deformation of flexible supporter direction, and flexible pad then can
Support the oar crossbeam of oar crossbeam, flexible support advance expenditure support that there is the Equivalent strut distance changed with pressure change, work as pressure
Power hour, Equivalent strut distance, sensitivity are higher, and when pressure is big, Equivalent strut distance shortens, and sensitivity declines, measurement
Scope broadens；Oar crossbeam is close to by flexible support pad, can absorb the self vibration of oar crossbeam, and then substantially reduce sensor certainly
The noise of body, so that obtain higher signal to noise ratio.
Description of the drawings
Structural representations of the Fig. 1 for the cross beam type jogging sensor of one embodiment of the invention；
Cross beam type jogging sensor course of work schematic diagrames of the Fig. 2 for one embodiment of the invention；
Fig. 3 is the jogging sensor of cross beam type jogging sensor of the present invention and the fixed Equivalent strut distance of prior art
The change schematic diagram of pressure-signal；
Structural representations of the Fig. 4 for the cross beam type jogging sensor of one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only in order to explain the present invention.
With reference to Fig. 1, the embodiment of the present invention provides a kind of cross beam type jogging sensor, horizontal including stretch sensor 40, oar
Beam 30, top board 10 and flexible support pad 21；40 horizontal layout of the stretch sensor in the oar crossbeam 30, when oar horizontal
When beam 30 is deformed upon, oar crossbeam 30 is pullled the stretch sensor 40 and deforms upon and produce pressure-dependent signal；
The side of the oar crossbeam 30 is set on the top board 10, and the side of the oar crossbeam 30 is provided with least one
The fulcrum 11 of individual protrusion, when 10 stress of top board presses to the oar crossbeam 30, the fulcrum 11 extrudes the oar crossbeam
30 deform upon；The flexible support pad 21 is arranged at side of the oar crossbeam 30 away from the top board 10, and attaches
Support the oar crossbeam 30.
Above-mentioned oar crossbeam 30 is a kind of after compressive deformation, when pressure reduces or cancels, being capable of Quick-return original state
Crossbeam, the oar crossbeam 30 of the present embodiment can be the crossbeam of strip device, or the crossbeam of platy structure.In a tool
In body embodiment, oar crossbeam 30 is typically made up of the good material of the pliabilities such as epoxide resin material, stainless steel material.
40 general piezoelectric membrane of above-mentioned stretch sensor, the electric capacity being printed on oar crossbeam 30 are printed on oar crossbeam
Inductance on 30, when oar crossbeam 30 is deformed upon, stretch sensor 40 is pullled deformation, and then produces electric signal.One
In specific embodiment, sensor is drawn high for piezoelectric membrane, which is arranged inside 30 outer surface of oar crossbeam or oar crossbeam 30 and puts down
In the direction of 30 bottom surface of oar crossbeam, the bending of oar crossbeam 30 can cause piezoelectric membrane to be stretched accordingly to row, so as to realize
The sensing of beam deformation.
Above-mentioned flexible support pad 21 can be flexible rubber, silica gel etc. after stress deformation, reply original shape that can be good
The mat made of material.
Above-mentioned top board 10 can be flat board or other structures, if its can stress, and power is transmitted by fulcrum 11
To on oar crossbeam 30.
In the present embodiment, with reference to Fig. 2, it is the process chart of above-mentioned cross beam type jogging sensor, wherein：F1<F2, H1<
H2, L1>L2.In A condition, no pressure is acted on cross beam type jogging sensor；In B state, pressure F1 acts on crossbeam
Formula jogging sensor, now pressure is less, it can be seen that flexible support pad 21 to push deformation height H1 less, but which is equivalent
Support distances L1 are longer, and now, above-mentioned cross beam type jogging sensor sensitivity is of a relatively high；In C-state, pressure F2 relative to
F1 becomes big, but its Equivalent strut shortens relative to L1 apart from L2, and now, the sensitivity of above-mentioned cross beam type jogging sensor is relative to drop
Low, but measurement range broadens.With reference to Fig. 3, it is the fixation of above-mentioned cross beam type jogging sensor (camber line) and prior art
The change schematic diagram with pressure-signal of the jogging sensor (dotted line) of support Equivalent strut distance.Can see, fixed support etc.
The jogging sensor of effect support distances, its signal and pressure are in line the linear relationship of shape, i.e. sensitivity and measurement width is fixed,
And the above-mentioned cross beam type jogging sensor of the present embodiment, the linear relationship of its signal and pressure into arc line shaped, but pressure compared with
Hour, sensitivity is higher, with the change of pressure big, sensitivity decrease, but measurement width becomes big.In a word, flexible support pad 21
The oar crossbeam 30 of support has the Equivalent strut distance that changes with pressure change, when pressure hour, Equivalent strut distance,
Sensitivity is higher, and when pressure is big, Equivalent strut distance shortens, and sensitivity declines, and measurement range broadens.And flexible support pad
21 are close to oar crossbeam 30, can absorb the self vibration of oar crossbeam 30, and then substantially reduce the noise of sensor itself, so as to
Obtain higher signal to noise ratio.
With reference to Fig. 1, above-mentioned cross beam type jogging sensor also includes that lower platen 20, the lower platen 20 are arranged at the flexibility
Side of the supporting pad 21 away from the top board 10, and support the flexible support pad 21 to fix.The setting of lower platen 20, mainly
For supporting flexible supporting pad 21 so as to there is a good supporting surface.In the present embodiment, above-mentioned lower platen 20 is generally plane
Plate.
With reference to Fig. 4, in the present embodiment, the first edge of above-mentioned top board 10 protrudes from the side of the flexible support pad 21
Wall, the second edge of the lower platen 20 protrude from the side wall of the flexible support pad 21；First edge and the second edge
Between arrange flexible supporter 60；The flexible supporter 60 is arranged evenly around the flexible support pad 21.Above-mentioned flexible
Support body 60 can be flexible rubber, silica gel etc. after stress deformation, the material of reply original shape that can be good.In the present embodiment,
Above-mentioned flexible supporter 60 is the flexible material of a strip structure, and then conchoidal was arranged at into one week or 3/4 week etc.
Between pressing plate 10 and first edge and the second edge of lower platen 20, if uniformly can bear top board 10 and lower platen 20 it
Between relative movement and the power that produces.In another embodiment, the first edge of above-mentioned top board 10 and lower platen 20 and the
At least two flexible supporters 60 are set between two edges, and uniform ring is arranged around oar crossbeam 30.In the present embodiment, flexible
Support body 60 can be multiple support blocks evenly around one week after, be arranged between the first edge and the second edge, as long as can be equal
The even power that bears relative movement between top board 10 and lower platen 20 and produce.
In the present embodiment, above-mentioned cross beam type jogging sensor also includes signal processing circuit, and the signal processing circuit is received
And process the electric signal of the generation of the stretch sensor 40.Above-mentioned signal processing circuit, generally comprises signal amplification circuit, filtering
Circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry etc., for the electricity that as needed stretch sensor 40 is produced
Signal is processed.Such as, electric signal is amplified process by signal amplification circuit first, then miscellaneous by filter circuit
Ripple is filtered, and converts analog signals into data signal by analog to digital conversion circuit respectively rear, finally by compressor circuit and penetrating
The equipment such as control process device are compressed and be transmitted to data signal by the transmit-receive radio road that takes place frequently, and in another embodiment, by holding wire
Even the equipment such as control process device, then need not arrange radio frequency transmitter circuitry.In other embodiments, can be according to actual use feelings
Condition arranges corresponding signal processing circuit.
With reference to Fig. 4, in the present embodiment, above-mentioned cross beam type jogging sensor also includes pcb board 50, integrated on the pcb board 50
The signal processing circuit.Pcb board 50 is fixedly installed on lower platen 20, stretch sensor 40 is without the need for outside by wire connection
Circuit board, easy to use.In one embodiment, pcb board 50, flexible support pad 21 and oar crossbeam 30 pass through at least two
Individual rivet is fixed, and makes to interfix between three, and the fulcrum 11 for making oar crossbeam 30 stably can receive on top board 10 is oppressed
And deformation, and then produce metastable electric signal.
In the present embodiment, above-mentioned fulcrum 11 can include three and more than, each fulcrum 11 not on the same line, i.e.,
Multiple fulcrums 11 surround a non-directional figure, one triangle in such as three fulcrums besieged cities etc..In one embodiment, on
Oar crossbeam 30 is stated for circular slab, triangular plate or polygonal panel etc., when such as polygon is regular pentagon, can be by fulcrum 11
Five are arranged, five vertex positions of regular pentagon etc. are respectively arranged at.
In one embodiment, pcb board 50 is fixedly installed on the top surface of lower platen 20, be integrated with signal on pcb board 50
The signal processing circuits such as amplifying circuit, filter circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry.Pcb board 50
Flexible support pad 21 is set on top surface, oar crossbeam 30 is set on the top surface of flexible support pad 21.Wherein pcb board 50, flexibility are propped up
It is fixed together by multiple rivets between 30 three of stake pad 21 and oar crossbeam；It is thin that the bottom surface of oar crossbeam 30 arranges piezoelectricity
Film, piezoelectric membrane are electrically connected with the signal processing circuit on above-mentioned pcb board 50.Top board is provided with 30 top surface of oar crossbeam
10, bossed fulcrum 11 is set on the bottom surface of top board 10, fulcrum 11 is contacted with oar crossbeam 30.First side of top board 10
Along the side wall for protruding from the flexible support pad 21, the second edge of the lower platen 20 protrudes from the flexible support pad 21
Side wall；Flexible supporter 60 is set between first edge and the second edge；The flexible supporter 60 is evenly around described
Flexible support pad 21 is arranged.When top board 10 or lower platen 20 is effectively acted on, 20 relative motion of top board 10 and lower platen is made
When, the compressing oar of fulcrum 11 crossbeam 30 on top board 10 is deformed upon, and oar crossbeam 30 is pullled piezoelectric membrane deformation and produces electricity
Signal, the electric signal can both reflect the situation for acting on 20 power of top board 10 or lower platen, such as fine motion situation etc., the telecommunications
Number after the process of above-mentioned signal processing circuit, can by the wireless transmission of wireless radio frequency circuit to outside processor etc.,
Ppu can be the intelligent electronic devices such as computer, mobile phone.
The cross beam type jogging sensor of the embodiment of the present invention, makes full use of the property of flexible support pad 21, when fulcrum 11 is pressed
After under the pressure of oar crossbeam 30, oar crossbeam 30 can be along stress point to 60 direction deformation of flexible supporter, and flexible pad then can
Support oar crossbeam 30, the oar crossbeam 30 that flexible support pad 21 is supported have the Equivalent strut that changes with pressure change away from
From when pressure hour, Equivalent strut distance, sensitivity are higher, and when pressure is big, Equivalent strut distance shortens, under sensitivity
Drop, measurement range broaden；Oar crossbeam 30 is close to by flexible support pad 21, can absorb the self vibration of oar crossbeam 30, Jin Er great
The big noise for reducing sensor itself, so that obtain higher signal to noise ratio.
With reference to Fig. 1, the present invention implements also to provide a kind of physiological signal collection pad, including pad and the horizontal stroke being arranged in pad
Beam type jogging sensor.Above-mentioned cross beam type jogging sensor, including stretch sensor 40, oar crossbeam 30, top board 10 and soft
Property supporting pad 21；40 horizontal layout of the stretch sensor is in the oar crossbeam 30, when oar crossbeam 30 is deformed upon, oar
Property crossbeam 30 is pullled the stretch sensor 40 and deforms upon and produce electric signal；It is horizontal that the oar is set on the top board 10
The side of beam 30, and the side of the oar crossbeam 30 is provided with the fulcrum 11 of at least one protrusion, when top board 10 is received
When forcing to the oar crossbeam 30, the fulcrum 11 extrudes the oar crossbeam 30 and deforms upon；The flexible support pad 21
Side of the oar crossbeam 30 away from the top board 10 is arranged at, and attaches the support oar crossbeam 30.
Above-mentioned pad can be mattress, seat cushions etc., arrange above-mentioned cross beam type jogging sensor, can both adopt inside which
The micro-tremor signal of the human body on collection pad.
Above-mentioned oar crossbeam 30 is a kind of after compressive deformation, when pressure reduces or cancels, being capable of Quick-return original state
Crossbeam, the oar crossbeam 30 of the present embodiment can be the crossbeam of strip device, or the crossbeam of platy structure.In a tool
In body embodiment, oar crossbeam 30 is typically made up of the good material of the pliabilities such as epoxide resin material, stainless steel material.
40 general piezoelectric membrane of above-mentioned stretch sensor, the electric capacity being printed on oar crossbeam 30 are printed on oar crossbeam
Inductance on 30, when oar crossbeam 30 is deformed upon, stretch sensor 40 is pullled deformation, and then produces electric signal.One
In specific embodiment, sensor is drawn high for piezoelectric membrane, which is arranged inside 30 outer surface of oar crossbeam or oar crossbeam 30 and puts down
In the direction of 30 bottom surface of oar crossbeam, the bending of oar crossbeam 30 can cause piezoelectric membrane to be stretched accordingly to row, so as to realize
The sensing of beam deformation.
Above-mentioned flexible support pad 21 can be flexible rubber, silica gel etc. after stress deformation, reply original shape that can be good
The mat made of material.
Above-mentioned top board 10 can be flat board or other structures, if its can stress, and power is transmitted by fulcrum 11
To on oar crossbeam 30.
In the present embodiment, with reference to Fig. 2, it is the process chart of above-mentioned cross beam type jogging sensor, wherein：F1<F2, H1<
H2, L1>L2.In A condition, no pressure is acted on cross beam type jogging sensor；In B state, pressure F1 acts on crossbeam
Formula jogging sensor, now pressure is less, it can be seen that flexible support pad 21 to push deformation height H1 less, but which is equivalent
Support distances L1 are longer, and now, above-mentioned cross beam type jogging sensor sensitivity is of a relatively high；In C-state, pressure F2 relative to
F1 becomes big, but its Equivalent strut shortens relative to L1 apart from L2, and now, the sensitivity of above-mentioned cross beam type jogging sensor is relative to drop
Low, but measurement range broadens.With reference to Fig. 3, it is the fixation of above-mentioned cross beam type jogging sensor (camber line) and prior art
The change schematic diagram with pressure-signal of the jogging sensor (dotted line) of support Equivalent strut distance.Can see, fixed support etc.
The jogging sensor of effect support distances, its signal and pressure are in line the linear relationship of shape, i.e. sensitivity and measurement width is fixed,
And the above-mentioned cross beam type jogging sensor of the present embodiment, the linear relationship of its signal and pressure into arc line shaped, but pressure compared with
Hour, sensitivity is higher, with the change of pressure big, sensitivity decrease, but measurement width becomes big.In a word, flexible support pad 21
The oar crossbeam 30 of support has the Equivalent strut distance that changes with pressure change, when pressure hour, Equivalent strut distance,
Sensitivity is higher, and when pressure is big, Equivalent strut distance shortens, and sensitivity declines, and measurement range broadens.And flexible support pad
21 are close to oar crossbeam 30, can absorb the self vibration of oar crossbeam 30, and then substantially reduce the noise of sensor itself, so as to
Obtain higher signal to noise ratio.
With reference to Fig. 1, above-mentioned cross beam type jogging sensor also includes that lower platen 20, the lower platen 20 are arranged at the flexibility
Side of the supporting pad 21 away from the top board 10, and support the flexible support pad 21 to fix.The setting of lower platen 20, mainly
For supporting flexible supporting pad 21 so as to there is the supporting surface of two.In the present embodiment, above-mentioned lower platen 20 is generally plane
Plate.
With reference to Fig. 4, in the present embodiment, the first edge of above-mentioned top board 10 protrudes from the side of the flexible support pad 21
Wall, the second edge of the lower platen 20 protrude from the side wall of the flexible support pad 21；First edge and the second edge
Between arrange flexible supporter 60；The flexible supporter 60 is arranged evenly around the flexible support pad 21.Above-mentioned flexible
Support body 60 can be flexible rubber, silica gel etc. after stress deformation, the material of reply original shape that can be good.In the present embodiment,
Above-mentioned flexible supporter 60 is the flexible material of a strip structure, and then conchoidal was arranged at into one week or 3/4 week etc.
Between pressing plate 10 and first edge and the second edge of lower platen 20, if uniformly can bear top board 10 and lower platen 20 it
Between relative movement and the power that produces.In another embodiment, the first edge of above-mentioned top board 10 and lower platen 20 and the
At least two flexible supporters 60 are set between two edges, and uniform ring is arranged around oar crossbeam 30.In the present embodiment, flexible
Support body 60 can be multiple support blocks evenly around one week after, be arranged between the first edge and the second edge, as long as can be equal
The even power that bears relative movement between top board 10 and lower platen 20 and produce.
In the present embodiment, above-mentioned cross beam type jogging sensor also includes signal processing circuit, and the signal processing circuit is received
And process the electric signal of the generation of the stretch sensor 40.Above-mentioned signal processing circuit, generally comprises signal amplification circuit, filtering
Circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry etc., for the electricity that as needed stretch sensor 40 is produced
Signal is processed.Such as, electric signal is amplified process by signal amplification circuit first, then miscellaneous by filter circuit
Ripple is filtered, and converts analog signals into data signal by analog to digital conversion circuit respectively rear, finally by compressor circuit and penetrating
The equipment such as control process device are compressed and be transmitted to data signal by the transmit-receive radio road that takes place frequently, and in another embodiment, by holding wire
Even the equipment such as control process device, then need not arrange radio frequency transmitter circuitry.In other embodiments, can be according to actual use feelings
Condition arranges corresponding signal processing circuit.
With reference to Fig. 4, in the present embodiment, above-mentioned cross beam type jogging sensor also includes pcb board 50, integrated on the pcb board 50
The signal processing circuit.Pcb board 50 is fixedly installed on lower platen 20, stretch sensor 40 is without the need for outside by wire connection
Circuit board, easy to use.In one embodiment, pcb board 50, flexible support pad 21 and oar crossbeam 30 pass through at least two
Individual rivet is fixed, and makes to interfix between three, and the fulcrum 11 for making oar crossbeam 30 stably can receive on top board 10 is oppressed
And deformation, and then produce metastable electric signal.
In the present embodiment, above-mentioned fulcrum 11 can include three and more than, each fulcrum 11 not on the same line, i.e.,
Multiple fulcrums 11 surround a non-directional figure, one triangle in such as three fulcrums besieged cities etc..In one embodiment, on
Oar crossbeam 30 is stated for circular slab, triangular plate or polygonal panel etc., when such as polygon is regular pentagon, can be by fulcrum 11
Five are arranged, five vertex positions of regular pentagon etc. are respectively arranged at.
In one embodiment, pcb board 50 is fixedly installed on the top surface of lower platen 20, be integrated with signal on pcb board 50
The signal processing circuits such as amplifying circuit, filter circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry.Pcb board 50
Flexible support pad 21 is set on top surface, oar crossbeam 30 is set on the top surface of flexible support pad 21.Wherein pcb board 50, flexibility are propped up
It is fixed together by multiple rivets between 30 three of stake pad 21 and oar crossbeam；It is thin that the bottom surface of oar crossbeam 30 arranges piezoelectricity
Film, piezoelectric membrane are electrically connected with the signal processing circuit on above-mentioned pcb board 50.Top board is provided with 30 top surface of oar crossbeam
10, bossed fulcrum 11 is set on the bottom surface of top board 10, fulcrum 11 is contacted with oar crossbeam 30.First side of top board 10
Along the side wall for protruding from the flexible support pad 21, the second edge of the lower platen 20 protrudes from the flexible support pad 21
Side wall；Flexible supporter 60 is set between first edge and the second edge；The flexible supporter 60 is evenly around described
Flexible support pad 21 is arranged.When top board 10 or lower platen 20 is effectively acted on, 20 relative motion of top board 10 and lower platen is made
When, the compressing oar of fulcrum 11 crossbeam 30 on top board 10 is deformed upon, and oar crossbeam 30 is pullled piezoelectric membrane deformation and produces electricity
Signal, the electric signal can both reflect the situation for acting on 20 power of top board 10 or lower platen, such as fine motion situation etc., the telecommunications
Number after the process of above-mentioned signal processing circuit, can by the wireless transmission of wireless radio frequency circuit to outside processor etc.,
Ppu can be the intelligent electronic devices such as computer, mobile phone.
Cross beam type jogging sensor is set in the physiology new model collection pad of the embodiment of the present invention, makes full use of flexible support
The property of pad 21, after fulcrum 11 is oppressed in oar crossbeam 30, oar crossbeam 30 can be along stress point to 60 side of flexible supporter
To deformation, and flexible pad can then support oar crossbeam 30, the oar crossbeam 30 that flexible support pad 21 is supported to have with pressure change
The Equivalent strut distance that changes and change, when pressure hour, Equivalent strut distance, sensitivity are higher, when pressure is big, equivalent
Support distance shortens, and sensitivity declines, and measurement range broadens；Oar crossbeam 30 is close to by flexible support pad 21, can absorb oar crossbeam
30 self vibration, and then the noise of sensor itself is substantially reduced, so as to obtain higher signal to noise ratio.So that physiological signal
The collection sensitivity of collection pad, acquisition range etc. improve the accuracy of signals collecting according to change in pressure.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or it is related to be directly or indirectly used in other
Technical field, be included within the scope of the present invention.
Claims (9)
1. a kind of cross beam type jogging sensor, it is characterised in that including stretch sensor, oar crossbeam, top board and flexible
Stake pad；
The stretch sensor is parallel to be laid in the oar crossbeam, and when oar crossbeam is deformed upon, oar crossbeam pulls institute
State stretch sensor to deform upon and produce pressure-dependent signal；
The side of the oar crossbeam is set on the top board, and the side of the oar crossbeam is provided with least one
Prominent fulcrum, when top board stress presses to the oar crossbeam, the fulcrum extrudes the oar crossbeam and deforms upon；
The flexible support pad is arranged at side of the oar crossbeam away from the top board, and it is horizontal to attach the support oar
Beam.
2. cross beam type jogging sensor according to claim 1, it is characterised in that also include lower platen, the lower platen
Side of the flexible support pad away from the top board is arranged at, and supports the flexible support pad to fix.
3. cross beam type jogging sensor according to claim 2, it is characterised in that the first edge of the top board is projected
In the side wall of the flexible support pad, the second edge of the lower platen protrudes from the side wall of the flexible support pad；
Flexible supporter is set between first edge and the second edge；The flexible supporter is evenly around described flexible
Stake pad is arranged.
4. cross beam type jogging sensor according to claim 2, it is characterised in that also include signal processing circuit, the letter
Number process circuit receives and processes the electric signal that the stretch sensor is produced.
5. cross beam type jogging sensor according to claim 4, it is characterised in that the signal processing circuit includes radio frequency
Radiating circuit, the radio frequency transmitter circuitry and external equipment wireless communication connection.
6. cross beam type jogging sensor according to claim 4, it is characterised in that also include pcb board, collects on the pcb board
Into the signal processing circuit.
7. cross beam type jogging sensor according to claim 6, it is characterised in that the pcb board is fixedly installed on described
Lower platen.
8. the cross beam type jogging sensor according to any one of claim 1-7, it is characterised in that the stretch sensor
Including piezoelectric film sensor, the electric capacity being printed on oar crossbeam or the inductance being printed on oar crossbeam.
9. a kind of physiological signal collection pad, it is characterised in that including pad and be arranged in pad as appointed in claim 1-8
Cross beam type jogging sensor described in one.
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| CN201611065637.4A CN106500826A (en) | 2016-11-28 | 2016-11-28 | Cross beam type jogging sensor and physiological signal collection pad |
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| CN201611065637.4A CN106500826A (en) | 2016-11-28 | 2016-11-28 | Cross beam type jogging sensor and physiological signal collection pad |
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| CN201611065637.4A Pending CN106500826A (en) | 2016-11-28 | 2016-11-28 | Cross beam type jogging sensor and physiological signal collection pad |
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